:root{--bg:#f3f7f4;--panel:#fff;--ink:#15231b;--muted:#718078;--line:#e1e9e4;--green:#168a55;--green2:#0d6d41;--soft:#e9f7ef;--orange:#f59e0b;--red:#dc4c4c;--blue:#4a86e8;--shadow:0 18px 48px rgba(19,55,36,.09);--radius:20px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(145deg,#eff8f2,#f7f7f2 50%,#eef6f5);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(22,138,85,.22);outline-offset:2px}.hidden{display:none!important}.app{min-height:100vh;display:grid;grid-template-columns:235px minmax(0,1fr)}.desktop-nav{position:sticky;top:0;height:100vh;padding:24px 15px;background:#11251b;color:#dff5e9}.brand,.auth-brand{display:flex;align-items:center;gap:11px}.brand{padding:0 10px 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